SHAREHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2016	Jul. 31, 2013
Share Repurchase Program [Abstract]
Share repurchases yet to be purchased under authorization	$ 24.0
Dividend Payments [Abstract]
Total dividend payout	2.7	$ 2.5
Share Repurchase Program [Member]
Share Repurchase Program [Abstract]
Authorized amount of stock repurchase				$ 67.3
Share repurchases yet to be purchased under authorization	$ 24.0
Stock repurchased and retired to date (in shares)	1,600,000
Stock repurchased and retired to date	$ 43.3
Repurchase of common stock (in shares)	0	0
Common Stock Warrants [Member]
Common Stock Warrants [Abstract]
Common stock issued upon exercise of vested warrants (in shares)	0	4,000
Weighted average exercise price (in dollars per share)	$ 3.00	$ 3.00
Warrants outstanding (in shares)	0		0